docs(Fx138): Add port pages for AudioWorklet and AudioWorkletGlobalScope

[bsmth]

Description

Web Audio API v1.1 adds bidirectional messaging on AudioWorkletGlobalScope via a port. This is shipping in Fx138.

Additions:

• Web/API/AudioWorklet/port page
• Web/API/AudioWorkletGlobalScope/port page

Changes:

• list & link to respective ports under AudioWorklet and AudioWorkletGlobalScope props

Additional details

• Spec: https://webaudio.github.io/web-audio-api/#dom-audioworklet-port
• WPT: https://wpt.fyi/results/webaudio/the-audio-api/the-audioworklet-interface/audioworklet-messageport.https.html?label=experimental&label=master&aligned
• Bugzilla: 1861363

Motivation for adding this to the Web Audio API:

• How to postMessage to AudioWorkletGlobalScope without creating a dummy worklet processor + node? WebAudio/web-audio-api#2456

Related issues and pull requests:

• Parent issue [WebAPI] Implement AudioWorklet.port #38884
• BCD: Updates for Firefox 138 beta browser-compat-data#26371

TODO

• Check if we need a BCD entry for AudioWorkletGlobalScope.port

[bsmth]

CC @padenot

[github-actions]

Preview URLs

• /en-US/docs/Web/API/AudioWorklet/port
• /en-US/docs/Web/API/AudioWorkletGlobalScope/port
• /en-US/docs/Web/API/AudioWorkletGlobalScope
• /en-US/docs/Web/API/AudioWorklet

[padenot]

Looks good, as said earlier.

[bsmth]

Looks good, as said earlier.

Thank you very much 👍🏻

[pepelsbey]

Looks good! Thank you :)